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Nondestructive testing of a carrier element of an elevator installation

a carrier element and elevator technology, applied in the direction of instruments, elevators, optical radiation measurement, etc., can solve the problems of a simple visual inspection by a servicing engineer, a potential safety risk, and the inability to test the carrier element. , to achieve the effect of simple and cost-effective design of the test devi

Inactive Publication Date: 2013-05-23
INVENTIO AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a device that can capture a 3D image of a surface using multiple sensors placed at different locations. The device also has a direct connection to the carrier element, allowing for consistent and high-quality capturing of transmission and reflection patterns. The device can be easily moved along the carrier element, making it convenient for different applications such as elevators or shaft guides.

Problems solved by technology

The inspection of the carrier element becomes more difficult if it has a sheath.
This externally non-visible damage to the tension member constitutes a potential risk to safety.
A purely visual inspection by a servicing engineer therefore does not suffice.

Method used

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  • Nondestructive testing of a carrier element of an elevator installation
  • Nondestructive testing of a carrier element of an elevator installation
  • Nondestructive testing of a carrier element of an elevator installation

Examples

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Embodiment Construction

[0050]FIG. 1 shows a schematic illustration of an exemplary embodiment of an elevator installation 2, which has an elevator car 22 which can be displaced vertically in an elevator shaft 6 and is connected to a drive unit 23 via carrier elements 21 and a drive pulley 24. Further components of the elevator installation 2 (e.g. counterweight and safety apparatuses) or details in respect of the suspension of the elevator car 22 (e.g. 1:1, 2:1, etc. suspension) are not shown in FIG. 1 for reasons of clarity. However, it is understood that the exemplary embodiments described here can be used independently of these components or details, mentioned in an exemplary fashion, in the elevator installation 2.

[0051]The elevator installation 2 is furthermore provided with a test device 1 by means of which a carrier element 21 can be tested. In the illustrated exemplary embodiment, the carrier element 21 comprises a sheath 215 made of plastic in which, for example, two wire ropes 21A, 21B are integ...

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PUM

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Abstract

A testing device includes a receiving unit for electromagnetic signals arranged on a carrier element to be tested to generate test data from received electromagnetic radiation. The test data are evaluated in a processing system in order to determine a deviation of the test data from a nominal state of the carrier element. The testing device is used to test a carrier element of an elevator installation on which the elevator car is suspended.

Description

FIELD[0001]The invention relates to a method and a device for nondestructive testing of a carrier element in an elevator installation.BACKGROUND[0002]An elevator installation is installed in a building and substantially consists of a car which is carried by one or more carrier elements. In a known elevator installation a drive acts on the carrier elements in order to displace the car along substantially vertical guide rails. The elevator installation is used to convey people and goods over individual or a number of floors within the building.[0003]The carrier elements can be embodied as individual round ropes made of metal (steel). By way of example, each round rope has a diameter of approximately 8-10 mm and is stranded from individual strands, which in turn consist of individual wires. The round ropes are usually not sheathed, and so the stranding is visible on the surface thereof. Depending on the application, it is also possible for these carrier elements to be sheathed; then th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01J5/10
CPCG01N27/82G01J5/10B66B7/1238D07B1/145D07B2301/252D07B2301/5581G01N21/952
Inventor HUSMANN, JOSEFBEGLE, GUNTRAM
Owner INVENTIO AG
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